Apple slices with red skin cut off to look like a rabbit

Usagi ringo is a special way of cutting apples to form shapes looking like a stylized rabbit. Usagi lingo are typically added in children bento boxes.

http://justbento.com/handbook/bento-decoration-techniques/apple-bunnies-and-more-decorative-apple-cutting-techniques

Japanese don't usually cook apples. They appreciate crunchy, juicy and very sweet varieties. Japanese apples are often very big. Some have a center dark yellow and sweet like honey. One of the most famous Japanese apple is called Fuji. A perfect apple can be sold more than 10$ !

http://en.wikipedia.org/wiki/Fuji_%28apple%29